689343703 has 2 divisors, whose sum is σ = 689343704. Its totient is φ = 689343702.

The previous prime is 689343667. The next prime is 689343709. The reversal of 689343703 is 307343986.

689343703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 689343703 - 2²⁹ = 152472791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 689343703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (689343709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344671851 + 344671852.

It is an arithmetic number, because the mean of its divisors is an integer number (344671852).

Almost surely, 2^689343703 is an apocalyptic number.

689343703 is a deficient number, since it is larger than the sum of its proper divisors (1).

689343703 is an equidigital number, since it uses as much as digits as its factorization.

689343703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 689343703 is about 26255.3557012660. The cubic root of 689343703 is about 883.3753388671.

The spelling of 689343703 in words is "six hundred eighty-nine million, three hundred forty-three thousand, seven hundred three".